WebChartControl.BoundDataChanged Event

Occurs every time a chart control generates its series points from the data source.

Namespace: DevExpress.XtraCharts.Web

Assembly: DevExpress.XtraCharts.v25.1.Web.dll

Declaration

C#

public event BoundDataChangedEventHandler BoundDataChanged

VB.NET

Public Event BoundDataChanged As BoundDataChangedEventHandler

Event Data

The BoundDataChanged event's data class is EventArgs.

Remarks

Use the BoundDataChanged event to change a series’s SeriesBase.Visible property, or to change any properties of series labels or a series view.

Note

The following property values cannot be changed in the BoundDataChanged event handler:

• SeriesBase.ArgumentScaleType and SeriesBase.ValueScaleType;
• SeriesBase.ArgumentDataMember and SeriesBase.ValueDataMembers;
• SeriesBase.ArgumentDataMember and SeriesBase.ValueDataMembers;
• Series.Points.

Example

This example demonstrates how to access the auto-created series appearance settings at runtime.

Handle the WebChartControl.BoundDataChanged event to access an individual series’ settings.

View Example

Form1.cs

private void WebChartControl_BoundDataChanged(object sender, EventArgs e) {
    Series series = webChartControl.Series.Where(s => s.Name == "2015").FirstOrDefault() as Series;
    if(series != null) {
        SideBySideBarSeriesView view = series.View as SideBySideBarSeriesView;
        if(view != null) {
            view.Color = System.Drawing.Color.Orange;
            view.FillStyle.FillMode = FillMode.Solid;
        }
    }
}

Form1.vb

Private Sub WebChartControl_BoundDataChanged(ByVal sender As Object, ByVal e As EventArgs)
    Dim series As Series = TryCast(webChartControl.Series.Where(Function(s) s.Name = "2015").FirstOrDefault(), Series)
    If series IsNot Nothing Then
        Dim view As SideBySideBarSeriesView = TryCast(series.View, SideBySideBarSeriesView)
        If view IsNot Nothing Then
            view.Color = System.Drawing.Color.Orange
            view.FillStyle.FillMode = FillMode.Solid
        End If
    End If
End Sub

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the BoundDataChanged event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

webchartcontrol-how-to-change-auto-created-series-appearance/CS/BoundDataChangedExample/WebForm1.aspx.cs#L21

    webChartControl.SeriesTemplate.View = new SideBySideBarSeriesView();
    webChartControl.BoundDataChanged += WebChartControl_BoundDataChanged;
}

VB.NET

webchartcontrol-how-to-change-auto-created-series-appearance/VB/BoundDataChangedExample/WebForm1.aspx.vb#L24

    webChartControl.SeriesTemplate.View = New SideBySideBarSeriesView()
    AddHandler webChartControl.BoundDataChanged, AddressOf WebChartControl_BoundDataChanged
End Sub